This Robinson Racing Products pinion gear is a 48 pitch, 16-tooth hard nickel plated metal gear designed as a factory replacement or upgrade for a wide range of 1/10 and 1/16 scale electric RC vehicles. The hard nickel plating provides a durable surface finish over the metal gear body. Includes a set screw for securing the gear to the motor shaft. Features: 48 pitch gear 16 teeth Hard nickel plated metal construction Includes set screw 7/7/26 cs